REDS R5R RACER GT v3.0 .21 Rally On Road Engine (Turbo Plug)

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The REDS R5R RACER GT v3.0 .21 Rally On Road Engine has been designed to fit the latest 1/8th GT chassis. Built using the same crankcase and crankshaft as REDSís 1/8th R line engines, the R5R GT features a 5 port sleeve with class specific timing, and a 7mm venturi insert to comply with the class rules.


  • HCX horizontal carburetor
  • Silicon filled and tuned crankshaft
  • Sleeve with 5 inlet ports and single exhaust port
  • High performance made in Japan front ball bearing
  • Rear steel made in Switzerland bearing

Displacement: 3.5 cc
Category: GT SERIES GT
Bore: 16.2mm
Stroke: 16.9mm
Inlet Ports: 5
Outlet Ports: 1 Classic
Front Bearing: 7x19x6 High Speed Made in Japan
Rear Bearing: 14x25.4x6 Steel Swiss Made
Crankshaft: Factory Tuned, Silicone Filling
Back Plate: Aluminum
Carburetor diameter: 7mm
Carburetor: Horizontal HCX Long Needle
Weight: 348g
Cylinder system: ABC Factory Tuned
Exhaust type: rear
Recommended Glow plug: REDS TS7
Recommended pipe:
REDS 2113 + S
Recommended fuel: 25-30% nitro, 8-10% oil
Break-in fuel: 12% oil

This product was added to our catalog on May 23, 2017.